Finding the Fourth Proportional to 101,261.39, 139,741.89 and 55,938.43

Step by Step Solution

1. Step 1: Write the proportion equation
   101,261.39 : 139,741.89 = 55,938.43 : x
2. Step 2: Convert to fraction form
   101,261.39/139,741.89 = 55,938.43/x
3. Step 3: Cross multiply
   101,261.39x = 139,741.89 × 55,938.43
4. Step 4: Simplify right side
   101,261.39x = 7,816,941,582.48
5. Step 5: Solve for x
   x = 7,816,941,582.48/101,261.39
6. Step 6: Final answer
   x = 77,195.68